-7 squared, which would be -49.
7(squared) or 7(sq)
10
2
Seven squared = 7 x 7 = 49
To find out how much greater 8 squared (64) is than 7 squared (49), you simply subtract 49 from 64, which equals 15. Therefore, 8 squared is 15 greater than 7 squared.
7(squared) or 7(sq)
7 metres squared = 8.372 sq yards.
42
10
pythagrem therom a squred + b squared =c squared
2
Seven squared = 7 x 7 = 49
To square a number, multiply it by itself, so 7 squared, also written as 72, is 7 x 7, or 49.
7 squared is 49 and 5 squared is 25. So the difference is 49-25=24
7 squared can be expressed as a product of the same factor by multiplying 7 by itself. Therefore, 7 squared can be written as 7 x 7.
The opposite of 7 is -7, and the opposite of -7 is 7, so yes.
(9x2 + 7)(9x2 - 7) = 81x4 - 49